How many points is QUINQUIVALENCY worth in Scrabble?

QUINQUIVALENCY is worth 40 points in Scrabble.

Is QUINQUIVALENCY a valid Scrabble word? Yes — 40 points

Yes, QUINQUIVALENCY is a valid Scrabble word worth 40 points.

No, QUINQUIVALENCY is not valid in Words With Friends.

QUINQUIVALENCY is a valid Scrabble US/CAN word worth 40 points:

Q₁₀U₁I₁N₁Q₁₀U₁I₁V₄A₁L₁E₁N₁C₃Y₄

QUINQUIVALENCY is valid in Scrabble UK (World) —

Q₁₀U₁I₁N₁Q₁₀U₁I₁V₄A₁L₁E₁N₁C₃Y₄

QUINQUIVALENCY is not valid in Words With Friends.

You can make 1 words from quinquivalency according to the Scrabble US and Canada dictionary.